Answer:There was not enough information given in the drawing and/or given list to prove the statement.
Not enough information.
Step-by-step explanation:
It’s written in slope intercept form .
This looks like scalar matrix multiplication. The idea here is to multiply the scalar 3 by each item inside the matrix.
Doing so leads to the answer [3 -12 15 -21]
Side note: I'm assuming the matrix given to you has 1 row and 4 columns.
Answer:
x=14
Step-by-step explanation:
4x +15 =71
4x =71 - 15
4x =56
x=56 :4
x=14
4 ×14 +15 =71
56 +15 =71
71 =71
Kevin is incorrect because x+x is adding two numbers, but x^2 is multiply.